Mathematics
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OpenStudy (anonymous):
help !! please
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OpenStudy (anonymous):
with
OpenStudy (anonymous):
Find the solution set for the equation, given the replacement set.
y = 4x – 8; {(5, 5), (3, 4), (4, 7), (2, 2)}
OpenStudy (anonymous):
plug the points in and see what one makes the statemement true.
OpenStudy (anonymous):
4(5) - 8 << correct ?
OpenStudy (anonymous):
yeah, and then it should equal 5, if t doesnt then go on to the next one.
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OpenStudy (anonymous):
a.
{(2, 2)}
c.
{(4, 7)}
b.
{(3, 4)}
d.
{(5, 5)}
OpenStudy (anonymous):
it would be "D" right ?
OpenStudy (anonymous):
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OpenStudy (anonymous):
lol okaa
OpenStudy (anonymous):
so try the next one.
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OpenStudy (anonymous):
4(3)-8 = ?
OpenStudy (anonymous):
what will that give you?
OpenStudy (anonymous):
Which Is 12-8=?
OpenStudy (anonymous):
yess which is 4, so yes that pair works.
OpenStudy (anonymous):
So Its C ?
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OpenStudy (anonymous):
yupp!
OpenStudy (anonymous):
oka .. thanks :) help with one more ?
OpenStudy (anonymous):
sure
OpenStudy (anonymous):
OpenStudy (anonymous):
well what is a relation?
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OpenStudy (anonymous):
idk :/
OpenStudy (anonymous):
but i do know that for every input there has to be a output
OpenStudy (anonymous):
when 1 x value has only 1 y to it.
OpenStudy (anonymous):
you can also graph the points
OpenStudy (anonymous):
Is The Input The X's & Output The Y's?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
C ?
OpenStudy (anonymous):
i would probably go with b since not all the inputs have an output.